package demo4;
class Teacher{
    String teacherID;//教师编号
    /**
     * 关键字this
     * 关键字static
     */
    /**
     * 类属性 每个对象都可以继承()
     * 使用静态属性 static
     */
    String dep = "信息工程系";
    public static String hobby = "健身";

    public Teacher(String teacherID){
        this.teacherID = teacherID;
    }
    public String getTeacherID(){
        return teacherID;
    }
    public void setTeacherID(String teacherID){
        this.teacherID = teacherID;
    }
}
public class Demo4 {
    public static void main(String[] args) {
        Teacher t1 = new Teacher("2023S2004");
        Teacher t2 = new Teacher("2023S2001");
        System.out.println(t1.dep);
        System.out.println(t2.dep);
        System.out.println("********");
        t1.dep = "宇宙系";
        System.out.println(t1.dep);
        System.out.println(t2.dep);
        System.out.println("静态属性");
        System.out.println(t1.hobby);
        System.out.println(t2.hobby);
        t2.hobby = "美的设计";
        System.out.println("******");
        System.out.println(t1.hobby);
        System.out.println(t2.hobby);
    }
}